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NASA Photos of a Changing World

NASA has posted a series of pairs of satellite images that show a range of changes around the world. They’re great for illustrating human-environment interactions; some of the changes are directly human-caused, while others, while others show the changing consequences of floods and fires as our settlement and agricultural patterns change. For those of us living in Las Vegas, these images of the shrinking Lake Mead reservoir, which provides water and electricity, is not reassuring.
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Image of the Day: Spectacular Remnants of a Peculiar Spiral Galaxy

Academics / General Science : The Daily Galaxy (2 years ago)

The NASA/ESA Hubble Space Telescope has produced this vivid image of a pair of interacting galaxies known as Arp 142. When two galaxies stray too close to each other they begin to interact, causing spectacular changes in both object... Read Post

Earth Observatory: Destruction of the Amazon Rain Forest

Academics / General Science : The Daily Galaxy (6 years ago)

Earth Observatory has pulled together a special series of NASA satellite images documenting how our world—forests, oceans, human landscapes—has changed during the previous decade. The two satellite images above shows deforestation o... Read Post

Wired Space Photo of the Day: Galaxy Crash

Academics / General Science : Wired Science (last year)

The NASA/ESA Hubble Space Telescope has produced this vivid image of a pair of interacting galaxies known as Arp 142. When two galaxies stray too close to each other they begin to interact, causing spectacular changes in both object... Read Post


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